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What AGSC Certification Means for the Person Working on Your Car

Auto glass installation is largely unregulated. Certification is the closest thing the industry has to a real standard.

Priya Raman, ADAS Calibration Lead
1/27/2026
4 min read

Key Takeaways

  • Most states do not license auto glass technicians at all
  • AGSC certification tests against the industry safety standard
  • The standard covers adhesives, cure times, pinch weld prep, and glass handling
  • Ask whether the specific technician is certified, not just the company

An unregulated trade

In most states, no license is required to replace a windshield. Anyone with a cold knife and a caulk gun can advertise the service. Given that the windshield is a structural safety component, that is a genuine gap.

What certification actually tests

The Auto Glass Safety Council maintains the industry standard for replacement, and certification tests technicians against it: correct adhesive selection, published cure times, pinch weld preparation and corrosion treatment, glass handling, and retention system integrity.

Ask about the technician

A company can register with a council without every technician being certified. Ask whether the person actually coming to your car is certified. We can answer that by name before dispatch.

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